I am trying to integrate the play integrity check in my app to make sure that my app is not installed on a rooted Android device. I can successfully obtain the integrity token response as guided in the google document. But I am trying to verify it in my locally and close the app if its installed on a rooted device. For that local verification, I am following the document Decrypt and verify locally. But I could not understand what is Base64OfEncodedDecryptionKey and Base64OfEncodedVerificationKey and from where I can obtain that.
You need to go to Google Play Console -> Release -> Setup -> AppIntegrity -> Response encryption -> Change, choose "Manage and download my response encryption keys", generate key file (follow instructions in "Show instructions"), upload this file.

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